The Agriculture & Food Laboratory (AFL) at the University of Guelph is a fee-for-service multi-faceted analytical and diagnostic lab that proudly serves a broad range of agricultural & food clients within the commercial, academic & government sectors. Analytical services include testing for physical contaminants, pathogens, toxins, allergens & chemical residues. Diagnostic services include challenge studies, microbial identification of contaminant microorganisms, off-odour testing & consumer complaint investigations.